.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
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.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\" Modified Sun Jul 25 10:39:43 1993 by Rik Faith (faith@cs.unc.edu)
.TH STRFRY 3  2015-03-02 "GNU" "Linux Programmer's Manual"
.SH NAME
strfry \- randomize a string
.SH SYNOPSIS
.nf
.BR "#define _GNU_SOURCE" "         /* See feature_test_macros(7) */"
.br
.B #include <string.h>
.sp
.BI "char *strfry(char *" string );
.fi
.SH DESCRIPTION
The
.BR strfry ()
function randomizes the contents of
.I string
by
using
.BR rand (3)
to randomly swap characters in the string.
The result is an anagram of
.IR string .
.SH RETURN VALUE
The
.BR strfry ()
functions returns a pointer to the randomized
string.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lb lb lb
l l l.
Interface	Attribute	Value
T{
.BR strfry ()
T}	Thread safety	MT-Safe
.TE
.SH CONFORMING TO
The
.BR strfry ()
function is unique to the
GNU C Library.
.SH SEE ALSO
.BR memfrob (3),
.BR string (3)
